29 C.F.R. § 779.213 : Labor — REGULATIONS RELATING TO LABOR — WAGE AND HOUR DIVISION, DEPARTMENT OF LABOR — STATEMENTS OF GENERAL POLICY OR INTERPRETATION NOT DIRECTLY RELATED TO REGULATIONS — THE FAIR LABOR STANDARDS ACT AS APPLIED TO RETAILERS OF GOODS OR SERVICES — EMPLOYMENT TO WHICH THE ACT MAY APPLY; ENTERPRISE COVERAGE —COMMON BUSINESS PURPOSE — What is a common business purpose